How to make The Java Screen Recorder similar to this one?

Can u talk about this how can make this code with java?
http://www.devharbor.com/java/300-Screen-Recorder.html
The author of this application says this maked by Java Swing.
My Question is:
What is Java Swing?
It's easy to make this app?
What API/Component needed for export video to MP4 Format like this application?
How can make a similar application for education purpose with Java.
Thanks

808154 wrote:
:) Thank you for answering my question,
but impossible in nothing bro, Yea, that's what Aleksey Vayner claimed and he didn't do so well.
I need to know about swing and start to work with java to develop this software and if I need some help I ask here.Clearly yes. You also need to make simple programs and practice for a long time before you're gonna be able to write a screen recorder with MP4 output.
I try to develop this before 3-4 years ;)I guess 3-4 years is a realistic goal, if you really concentrate on learning Java.

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